Marlborough, Wiltshire
| Year | No.Years | Actual Max. | Actual Min. | Days Max. | Days Min. | Cum. Max. | Cum. Min. | Average Max. | Average Min. | |
| 1984 | 1 | 23.24 | 11.24 | 29 | 29 | 674.0 | 326.0 | 23.24 | 11.24 | |
| 1985 | 2 | 18.70 | 10.29 | 60 | 60 | 1253.8 | 645.1 | 20.90 | 10.75 | |
| 1986 | 3 | 17.69 | 7.31 | 77 | 77 | 1554.5 | 769.4 | 20.19 | 9.99 | * Not full month |
| 1987 | 4 | 22.04 | 10.73 | 100 | 100 | 2061.4 | 1016.6 | 20.61 | 10.17 | |
| 1988 | 5 | 19.83 | 9.36 | 119 | 119 | 2438.2 | 1194.2 | 20.49 | 10.04 | |
| 1989 | 6 | 22.67 | 8.61 | 137 | 137 | 2846.2 | 1349.2 | 20.78 | 9.85 | |
| 1990 | 7 | 24.71 | 11.40 | 162 | 162 | 3463.9 | 1634.2 | 21.38 | 10.09 | |
| 1991 | 8 | 23.55 | 10.73 | 187 | 186 | 4052.6 | 1891.8 | 21.67 | 10.17 | |
| 1992 | 9 | 19.93 | 10.47 | 213 | 212 | 4570.7 | 2164.1 | 21.46 | 10.21 | |
| 1993 | 10 | 20.22 | 7.99 | 235 | 233 | 5015.5 | 2331.9 | 21.34 | 10.01 | |
| 1994 | 11 | 21.20 | 11.68 | 266 | 264 | 5672.8 | 2694.1 | 21.30 | 10.18 | |
| 1995 | 12 | 26.52 | 11.52 | 297 | 295 | 6495.0 | 3051.3 | 21.83 | 10.30 | |
| 1996 | 13 | 22.38 | 10.00 | 328 | 326 | 7188.7 | 3361.4 | 21.86 | 10.25 | |
| 1997 | 14 | 24.16 | 14.09 | 359 | 357 | 7937.6 | 3798.1 | 22.11 | 10.64 | |
| 1998 | 15 | 22.46 | 10.13 | 390 | 388 | 8634.0 | 4112.1 | 22.06 | 10.52 | |
| 1999 | 16 | 21.58 | 11.41 | 421 | 419 | 9302.9 | 4465.7 | 22.01 | 10.57 | |
| 2000 | 17 | 22.43 | 11.57 | 452 | 450 | 9998.3 | 4824.5 | 22.02 | 10.62 | |
| 2001 | 18 | 22.37 | 11.89 | 483 | 481 | 10691.8 | 5193.2 | 22.03 | 10.69 | |
| 2002 | 19 | 22.47 | 11.83 | 514 | 512 | 11388.4 | 5559.9 | 22.16 | 10.86 | |
| 2003 | 20 | 24.99 | 12.47 | 545 | 543 | 12163.2 | 5946.4 | 22.32 | 10.95 | |
| 2004 | 21 | 23.07 | 12.61 | 576 | 574 | 12878.3 | 6337.2 | 22.36 | 11.04 | |
| 2005 | 22 | 22.83 | 9.90 | 607 | 605 | 13585.9 | 6644.2 | 22.38 | 10.98 | |
| 2006 | 23 | 21.75 | 12.19 | 638 | 636 | 14260.0 | 7021.9 | 22.35 | 11.04 | |
| 2007 | 24 | 21.47 | 10.06 | 669 | 667 | 14925.6 | 7333.9 | 22.31 | 11.00 | |
| 2008 | 25 | 20.06 | 12.64 | 700 | 698 | 15547.4 | 7725.8 | 22.21 | 11.07 | |
| 2009 | 26 | 21.59 | 12.26 | 731 | 729 | 16216.8 | 8105.8 | 22.18 | 11.12 | |
| 2010 | 27 | 20.77 | 10.90 | 762 | 760 | 16860.6 | 8443.7 | 22.13 | 11.11 | |
| 2011 | 28 | 20.69 | 11.25 | 793 | 791 | 17502.1 | 8792.3 | 22.07 | 11.12 | |